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A231414 Number of (n+1)X(2+1) 0..2 arrays with no element equal to a strict majority of its horizontal, diagonal and antidiagonal neighbors, with values 0..2 introduced in row major order 1
71, 1032, 15125, 221445, 3245016, 47557773, 697029563, 10216062982, 149732672641, 2194570662617, 32164925750976, 471428170136401, 6909529986297263, 101270156563366358, 1484275287919713541 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 2 of A231419

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..210

FORMULA

Empirical: a(n) = 17*a(n-1) -28*a(n-2) -119*a(n-3) +373*a(n-4) +134*a(n-5) -268*a(n-6) -200*a(n-7)

EXAMPLE

Some solutions for n=3

..0..1..1....0..1..0....0..0..1....0..1..2....0..1..0....0..1..0....0..1..2

..0..2..0....2..0..2....1..1..1....2..0..0....0..2..1....2..2..0....0..0..1

..2..0..0....1..1..1....0..2..0....2..1..2....1..2..1....0..0..1....2..2..2

..2..1..2....0..0..1....1..0..1....1..2..0....0..1..2....2..1..2....1..0..0

CROSSREFS

Sequence in context: A050885 A200909 A175215 * A071827 A289899 A267475

Adjacent sequences: A231411 A231412 A231413 * A231415 A231416 A231417

KEYWORD

nonn

AUTHOR

R. H. Hardin, Nov 08 2013

STATUS

approved

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Last modified January 27 21:49 EST 2023. Contains 359849 sequences. (Running on oeis4.)